// 云函数入口文件
const cloud = require('wx-server-sdk')

cloud.init()
const db = cloud.database();
// 云函数入口函数
exports.main = async (event, context) => {
  var res=db.collection('privateChatId').where({
    id: event.id
  }).remove()
  db.collection('privateChat').where({
    groupId: event.id
  }).remove()
  return event.id
}